Convert a pattern from flat to

I’d like to make these arm cosies for my niece but my seaming skills are non-existent and this pattern as-is requires seaming. I can knit flat or in-the-round but I’ve never converted a pattern from one to the other so I thought now is as good a time as any to learn how. Can anyone help me out with converting this pattern to a knit-in-the-round pattern?

The pattern itself shouldn’t be difficult, since the wrong side rows have you knit the knits and purl the purls. You’ll still do that in the round, but you’ll be working on the right side rather than the wrong side.

Later on in the pattern, when the ws rows have you doing something different, you need to reverse the stitches (from k to p and vice versa) and reverse the order of the stitches–the line of directions gets read backwards.

Once you get to that point in the pattern, though, it should be easy to see where the thumb should go since you’ll have the work in front of you.